Patent · US Active

Rod lens

US7595935B2 · kind B2 · utility

4Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2006
Grant dateSep 29, 2009
Priority date
Expiry dateSep 24, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B23/2446
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A rod lens comprises a tubular body having a first end, a second end, a length and a diameter, a first optically transparent closing element, tightly sealing the first end of the tubular body, a second optical transparent closing element, tightly sealing the second end of the body. The rod lens further comprises n further optical elements being positioned within the tubular body defining n+1 chambers in the tubular body, with n being an integer >0, and n+1 optical fluids being positioned in the n+1 chambers, with each of the n+1 optical fluids being positioned in one of the n+1 chambers, whereby at least one of the n+1 optical fluids having a refractive index different from the other n+1 optical fluids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.